将下列句子变成同意句。 1. This is my pink sweater. This ______ sweater is ______. 2. Are these your oranges? Are these ______  ______? 3. Whose shoes are these? ______  ______ these shoes? 4. Those are our coats. Those coats ______  ______. 5. This is their classroom. This ______ is ______. 6. There are four books in my bag. I ______  ______  ______ in my bag. 7. Do you have any pencils? ______  ______ any pencils in your pencil-box? 8. Is that her bike? Is that bike ______?